| Postcode | N20 0JS | 
|---|---|
| Post Town | London | 
| Nearest station | Totteridge and Whetstone (1 km) | 
| Bus stops | Raleigh Drive (NW) Friary Road (N12) (N) Raleigh Drive (SE) Pollard Road (NW) Golfside Close (S) Pollard Road (E) | 
| London travel zone | 4 | 
| Roads in this postcode | |
| Number of UPRNs | 10 View | 
| Known addresses | 29 St James Avenue, London 31 St James Avenue, London 41 St James Avenue, London 43 St James Avenue, London 49 St James Avenue, London | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.623952 | |
|---|---|---|
| Longitude | -0.162447 | |
| Easting | 527299 | |
| Northing | 193280 | |
| Grid reference | TQ272932 | |
| UTM reference | 30U 696409 5723028 | |
| what3words | vent.first.wiping | |
| FixPhrase | crinkle magnesium shining tarmac | |
| Plus code | 9C3XJRFQ+H2 | |
| Altitude | 81 metres (265 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 43.9 KMs (27.3 miles) | 
| Parish | Barnet, unparished area | E43000193 | 
|---|---|---|
| Ward | Whetstone | E05013650 | 
| London Borough | Barnet | E09000003 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Chipping Barnet | E14001169 | 
| MP | Dan Tomlinson | Labour | 
| Police force | Metropolitan Police | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Barnet | |
| NUTS/ITL 2 | Outer London - West and North West | |
| NUTS/ITL 1 | London | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 28 | |
|---|---|---|
| Households (2011) | 10 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban major conurbation | |
| Built up area (2024) | Barnet | E63011868 | 
| Census output area (2021) | E00001323 | |
| Census output area (2011) | 6A1 | |
| Lower layer super output area (2021) | Barnet 011B | E01000266 | 
| Lower layer super output area (2011) | Barnet 011B | E01000266 | 
| Middle layer super output area (2021) | Whetstone East | E02000034 | 
| Middle layer super output area (2011) | Whetstone East | E02000034 | 
| Travel to work area | London | E30000234 | 
| Average property price in North London | £609,231 | 
|---|---|
| Annual change | -2.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 49 St James Avenue, London | Semi-detached (freehold) | May 2024 | £800,000 | 
| 41 St James Avenue, London | Semi-detached (freehold) | Mar 2021 | £830,000 | 
| 31 St James Avenue, London | Semi-detached (freehold) | Aug 2006 | £462,000 | 
| 43 St James Avenue, London | Terraced (freehold) | Oct 2003 | £400,000 | 
| 29 St James Avenue, London | Semi-detached (freehold) | May 2002 | £380,000 |